272842380 has 36 divisors (see below), whose sum is σ = 827622432. Its totient is φ = 72757920.

The previous prime is 272842327. The next prime is 272842387. The reversal of 272842380 is 83248272.

272842380 is a `hidden beast` number, since 272 + 8 + 4 + 2 + 380 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (272842387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757716 + ... + 758075.

It is an arithmetic number, because the mean of its divisors is an integer number (22989512).

Almost surely, 2^272842380 is an apocalyptic number.

272842380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272842380 is an abundant number, since it is smaller than the sum of its proper divisors (554780052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272842380 is a wasteful number, since it uses less digits than its factorization.

272842380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515806 (or 1515801 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 272842380 is about 16517.9411549987. The cubic root of 272842380 is about 648.5905396227.

The spelling of 272842380 in words is "two hundred seventy-two million, eight hundred forty-two thousand, three hundred eighty".